title: Antiperistaltic (retrograde) intussusception after Roux-en-Y gastric bypass.
mesh_terms: D000328:Adult; D000713:Anastomosis, Roux-en-Y / Q000009:adverse effects; D013505:Digestive System Surgical Procedures / Q000379:methods; D005260:Female; D015390:Gastric Bypass / Q000009:adverse effects*; D006801:Humans; D007443:Intussusception / Q000209:etiology* / Q000601:surgery; D007579:Jejunal Diseases / Q000209:etiology* / Q000601:surgery; D007583:Jejunum / Q000601:surgery*; D012189:Retrospective Studies